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Marquise|Natural|GIA

1.50ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 1558587559

Certificate GIA 1558587559

Diamond specifications and retailer prices

From $13,058 NZD
As of November 6, 2026
Save $15,017 NZD (53%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $28,076 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558587559. Listed at 18 retailers as of November 5, 2026, with prices from $13,058 to $28,076, a $15,017 spread on the same certified stone. NZ Jewellers lists it at $28,076. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558587559
Dimensions11.11 × 5.94 × 3.79 mm
L/W Ratio1.87
Girdle conditionVery Thin to Very Thick
Key to symbols
Twinning Wisp, Feather, Cavity, Natural
Top View
11.11 mm5.94 mm1.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1558587559
Side View
Table 60.0%CrownGirdle: VTK-VTKPavilionCulet: NoneDepth 63.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $28,076 NZD|Low: $13,228 NZD|High: $29,088 NZD|Avg: $17,776 NZD|-3.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 14$13,228 NZD
Retailer 2$13,271 NZD
Retailer 16$13,919 NZD
Retailer 15$14,038 NZD
Retailer 17$15,209 NZD
Retailer 8$15,420 NZD
Retailer 12$15,663 NZD
Retailer 3$15,831 NZD
Retailer 9$15,997 NZD
Retailer 10$16,174 NZD
Retailer 5$16,278 NZD
Retailer 4$16,830 NZD
Retailer 6$16,830 NZD
Retailer 11$17,390 NZD
Retailer 13$17,548 NZD
Retailer 7$24,170 NZD
NZ Jewellers$28,076 NZD

33 data points across 17 retailers

18 retailers$13,058 NZD to $28,076 NZD

B+
Cheapest Retailer
-
$13,058 NZD
B+
Retailer 2
-
$13,228 NZD
View
B+
Retailer 3
-
$13,271 NZD
View
B+
Retailer 4
-
$13,919 NZD
View
B+
Retailer 5
-
$14,038 NZD
View
Final sale: no returns
B+
Retailer 6
-
$15,209 NZD
View
B
Retailer 7
-
$15,420 NZD
View
B+
Retailer 8
-
$15,663 NZD
View
B
Retailer 9
-
$15,831 NZD
View
B
Retailer 10
-
$15,997 NZD
View
B+
Retailer 11
-
$16,174 NZD
View
B
Retailer 12
-
$16,278 NZD
View
B
Retailer 13
-
$16,830 NZD
View
B
Retailer 14
-
$16,830 NZD
View
B
Retailer 15
-
$17,390 NZD
View
B+
Retailer 16
-
$17,548 NZD
View
B
Retailer 17
-
$24,170 NZD
View
Most Expensive
B
NZ Jewellers
c1156e61-ffd4-437e-ac01-b8778420eda8 · Nov 5
$28,076 NZD
$15,564 USD
View
17 more retailers have this diamond
Prices start from $13,058 NZDSave up to $15,017 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.50ct Marquise
$13,058 NZD